Home / 698,319.60-1,047,458.62-192,911

Finding the Fourth Proportional to 698,319.60, 1,047,458.62 and 192,911

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Solution

The fourth proportional to 698,319.60, 1,047,458.62 and 192,911 is: 289,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,319.60 : 1,047,458.62 = 192,911 : x
  2. Step 2: Convert to fraction form
    698,319.60/1,047,458.62 = 192,911/x
  3. Step 3: Cross multiply
    698,319.60x = 1,047,458.62 × 192,911
  4. Step 4: Simplify right side
    698,319.60x = 202,066,289,842.82
  5. Step 5: Solve for x
    x = 202,066,289,842.82/698,319.60
  6. Step 6: Final answer
    x = 289,360.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.